/*
 * Copyright 2013 monkeyboy
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package com.googlecode.gwt.serialization;

import com.google.gwt.user.client.rpc.SerializationException;
import com.google.gwt.user.client.rpc.impl.ClientSerializationStreamReader;
import com.google.gwt.user.client.rpc.impl.Serializer;

/**
 * User: monkeyboy
 */
public class JsonReaderImpl<T> implements JsonReader<T> {
    private final ClientSerializationStreamReader reader;

    public JsonReaderImpl(final Serializer serializer) {
        reader = new ClientSerializationStreamReader(serializer);
    }

    @SuppressWarnings("unchecked")
    @Override
    public T read(final String jsonString) {
        try {
            reader.prepareToRead(jsonString);
            return (T) reader.readObject();
        } catch (SerializationException e) {
            throw new RuntimeException(e);
        }
    }
}
